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IRC_ZAPCHAST.HU

October 08, 2012
 Analysis by: Roland Marco Dela Paz
 ALIASES:

F-PROT: IRC/Zapchast.CE

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild:

  OVERVIEW


This malware supports its main worm component for its mIRC routines.

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

9,926 bytes

File Type:

Other

Initial Samples Received Date:

08 Dec 2010

Arrival Details

This Trojan may be dropped by the following malware:

  • WORM_IRCBOT family

Other Details

This Trojan requires the following additional components to properly run:

  • fullname.txt
  • ident.txt

NOTES:
This malware supports its main worm component for its mIRC routines.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.688.05

FIRST VSAPI PATTERN DATE:

08 Dec 2010

VSAPI OPR PATTERN File:

7.689.00

VSAPI OPR PATTERN Date:

08 Dec 2010

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as IRC_ZAPCHAST.HU. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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